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Finding the Fourth Proportional to 117,290.48, 175,935.86 and 28,544

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Solution

The fourth proportional to 117,290.48, 175,935.86 and 28,544 is: 42,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,290.48 : 175,935.86 = 28,544 : x
  2. Step 2: Convert to fraction form
    117,290.48/175,935.86 = 28,544/x
  3. Step 3: Cross multiply
    117,290.48x = 175,935.86 × 28,544
  4. Step 4: Simplify right side
    117,290.48x = 5,021,913,187.84
  5. Step 5: Solve for x
    x = 5,021,913,187.84/117,290.48
  6. Step 6: Final answer
    x = 42,816.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.